On May 1, 2015, a spin-off of Stone Quackers, Gothball, was released as a 10-episode web-series that ran weekly on ADHD's YouTube channel. The series stars the bicolor cat Gothball (voiced by John O'Hurley) who interacts with the other characters where he was originally called Gothfield. The series ran from May 1, 2015 to July 3, 2015.